Quantification Over Situation Variables in LTAG: Some Constraints Maribel Romero author 2002-05 text Proceedings of the Sixth International Workshop on Tree Adjoining Grammar and Related Frameworks (TAG+6) Robert Frank editor Association for Computational Linguistics Universitá di Venezia conference publication romero-2002-quantification https://aclanthology.org/W02-2216/ 2002-05 108 117